
46
Switches
Catalyst 2820 and 1900 Standard Edition Series
Feature
Catalyst 2820 Catalyst 1900
Fixed Ports 24 10BaseT
1 AUI
24 10BaseT
– 1 AUI
– 2 100BaseTX (1924) or
1 100BaseTX and
1 100BaseFX (1924C)
12 10BaseT
– 1 AUI
– 2 100BaseTX or
1 100BaseTX and
1 100BaseFX (1912C)
Modular Slots Two high-speed expansion slots
Available Modules 1-port 100BaseTX
8-port 100BaseTX
1-port 100BaseFX
4-port 100BaseFX
FDDI fiber DAS
FDDI fiber SAS
FDDI UTP SAS (CDDI)
ATM UTP
ATM multimode fiber
ATM single-mode fiber short reach
and long reach
Backplane Speed Cut-Through or Store-and-Forward
Max. # Addresses: Choice of 2
models; 2048 or 8192
Backplane Bandwidth: 1 Gbps
Cut-Through or Store-and-Forward
Max. # Addresses: 1024
Backplane Bandwidth: 1 Gbps
Full Duplex
Capabilities
Half/Full Duplex autonegotiated Half/Full Duplex autonegotiated
VLAN Maximum Up to 4 overlapping bridge groups Up to 4 overlapping bridge groups
FEC No No
ISL No No
Management
Capabilities
SNMP, Out-of-band, Telnet, RMON,
HTML web-based interface, ATM
Director, CWSI, CiscoView,
StackView/Stack Maker
Processors (Management):
Cisco-designed ASICs, 80486 CPU
Flash Memory: 1 MB
RAM: 3 MB
SNMP, Out-of-band, Telnet,
RMON,HTML web-based interface,
CWSI, CiscoView, StackView/Stack
Maker
Processors (Management):
Cisco-designed ASICs, 80486 CPU
Flash Memory: 1 MB
RAM: 3 MB
Embedded RMON All groups via SPAN port All groups via SPAN port
qrg-new.book : 2switch.fm Page 46 Monday, June 22, 1998 2:16 PM
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